The organization of the “Valuation and Evaluation” workshop is a joint initiative of the Institut Marcel Mauss (IMM), of the Centre d’Etude des Mouvements Sociaux (CEMS) and of the Science and Technology Group (GST), of the École des Hautes Études en Sciences Sociales (EHESS, Paris) and the Centre National de la Recherche Scientifique (CNRS), and the research team DISCONEX, funded by the European Research Council (ERC).